65.List and explain all NFS server commands. Ans. 1. exportfs: a) The exportfs command enables user to manipulate the list of current exports without editing /etc/exports. b) It also maintains the list of currently exported file system in /var/lib/nfs/etab. Example: The exportfs –a command initializes /var/lib/nfs/etab, synchronizes it with the contents of /etc/exports. c) To add a new export to etab and also /etc/exports the syntax is : #exportfs –o opts hostdir d) Example: #exportfs –o sync,rw 192.168.166.7:/demo The above command exports the directory /demo to client 192.168.166.7 with export option rw and sync. e) –v option of this command, lists currently exported filesystem. Example: #exportfs –v f) –u options unexports the filesystem as follow: Example: #exportfs –u 192.168.166.7:/demo 2. showmount: a) The showmount command provides information about clients and the file systems they have mounted. b) Syntax is : #showmount [-advhe] [host] ...
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